Dimensional Tolerances (ASME)

ASME B16.9, B16.28

Pipe Size

All Fittings

IN MM IN MM IN MM IN MM

½ ~ 2½+0.06 +1.6

±0.03 ±0.8

±0.06

±2

±0.06

±2

-0.03 -0.8

3 ~ 2½±0.06 ±1.6

±0.06 ±1.64

5 ~ 8+0.09 +2.4

-0.06 -1.6

10 ~ 18+0.16 +4.0

±0.12 ±3.2±0.09 ±0.09-0.12 -3.2

20 ~ 24

±0.19 ±4.826 ~ 30 ±0.12 ±3±0.19 ±5

32 ~ 48 ±0.19 ±5

Pipe Size

Lap Joint Stub Ends (2) 180 Return Bends

IN MM IN MM IN MM IN MM IN MM

½ ~ 2½

±0.25 ±6

±0.25 ±6

3 ~ 2½

4

5 ~ 8

10 ~ 18±0.38 ±10

20 ~ 24

Pipe SizeOff Angle, Q Off Plane, P

IN MM IN MM

½ ~ 4 ± 0.03 ± 1 ± 0.06 ± 2

5 ~ 8 ± 0.06± 2

± 0.12 ± 4 NOTES:

10 ~ 12± 0.09

± 0.19 ± 5 (1) Out-of-round is the sum of absolute

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90 & 45 Elbows and Tees

Reducers and Lap Joint Stub

endsOutside

Diameter at Bevel, D (1)

Inside Diameter at End (1)

Wall Thickness t

Center-to-End Dimensions

A,B,C,M

Overall Length, F,H

Not Less Than 87.5% of Nominal

Thickness

+0.25 -0.19

+6.4 -4.8

Outside Diameter of

Lap, GLap Thickness

Fillet Radius of Lap, R

Center-to-Center

Dimension, O

Back-to- Face Dimension, K

+0 -0.03

+0 -1

+0.06 -

0

+1.6 -0

+0 -0.03

+0 -1

+0 -0.06

+0 -2+0

-0.06+0

-2

+0.12 -

0

+3.2 -0

14 ~ 16± 0.09

± 3 ± 0.25 ± 6 values of plus and minus tolerances.

18 ~ 24 ± 0.12 ± 4± 0.38 ± 10

(2) Outside diameter of barrel see the table

26 ~ 30

± 0.19 ± 5

on page 15.

32 ~ 42 ± 0.50 ± 13

44 ~ 48 ± 0.75 ± 19

Caps

IN MM

±0.12 ±3

±0.25 ±6

±0.38 ±10

180 Return Bends

IN MM

±0.03 ±1

±0.06 ±2

Overall Length, E

Alignment of Ends, U

Outside diameter of barrel see the table

Dimensional Tolerances (MSS)

MSS SP-43

90 Elbows Reducers

All Fittings 45 Elbows Lap-Joint 180 Returns

Nominal Tees Stub Ends

Pipe Outside Center- Back- Align-

Size Diameter Wall Center-to- Overall to- to- ment

at Thick- End Length Center Face of

Welding ness Ends

End(a) A-B-C-M F-H O K U

½~1½

2~3½Not

less

than

487.5%

of

nominal

+0.06 thick-

5~8-0.03 ness

(+1.6)

(-0.8)

+0.09

10~18-0.03

(+2.4)

(-0.8)

20~24

+0.12

-0.03

(+3.2)

(-0.8)

GENERAL NOTE:

All dimensions are in inches. Dimensions in parentheses are in millimeters for reference only.

NOTES:

(a) Out of roundness is the vector sum of plus and minus tolerance.

(b) Fillet B radius is maximum. See the table on page 15.

NAVER CAFÉ 배관정복

±0.03 (±0.8)

±0.06 (±1.6)

±0.25 (±6.4)

±0.25 (±6.4)

±0.03

(±0.8)

±0.09 (±2.4)

±0.38

(±9.6)

±0.06

(±1.6)

Lap-Joint Stub EndsCaps

Overall Fillet(b) Outside

Length Radius Diameter

of Lap of Lap

E A G

+0

-0.03

(+0) +0

(-0.8) -0.03

(+0)

(-0.8)

+0

-0.06

(+0)

(-1.6)

+0

-0.06

(+0)

(-1.6)

배관정복

±0.12 (±3.2)

±0.25

(±6.4)

Dimensional Tolerances (JIS)

JIS B2311

Item

Nominal diameter

A15 ~ 80 ~ 125 ~ 250 ~ 500 ~

Type of 65 100 200 450 600

pipe B

½ ~3 ~ 4 5 ~ 8

10 ~ 20 ~

fittings 2½ 18 24

Tolerance

Outside diameter at end±2.0 ±2.5 ±3.5

+5.0 +6.4

-4.5 -4.8

Inside diameter at end face All types ±4.5 ±4.8

Wall Thicknessof pipe +not specified

fittings -15%

Bevel angleSee figure "Shape and Dimensions of Bevel End" on page 33

Height of root face

45 elbows,±2.0 ±3.2

90 elbows

±6.4 ±9.5 -

180 elbows±6.4 -

1.6 3.2 -

Reducers

±2.0

±3.2

Tees ±3.2

Caps ±3.2 ±6.4

All types

-of pipe

fittings

Remarks 1. For the dimensional tolerances for H of reducer and M of reduced tee, the tolerances

specified for the larger diameter side shall apply.

2. For the galvanized part of white pipe fittings, the above-mentioned tolerance shall

be applicable before galvanizing.

NAVER CAFÉ

Dimension from center line to end face

(H,F)

Centerline dimension (P)

Dimension from back to end facd (K)

Alignment of end faces (U) (max.)

Overall length (H)

Dimension from centerline to end face (C, M)

Dimension from back to end face (E)

Outer peripheral length at end

Dimensional Tolerances (JIS)

Nominal diameter

650 ~ 800 ~

750 1200

26 ~ 32 ~

30 48

Tolerance

+6.4

-4.8

±4.8

+not specified

-15%

See figure "Shape and Dimensions of Bevel End" on page 33

±3.2 ±4.8

-

-JIS B2311

Item

Nominal diameter

-Type of

A15 ~ 125 ~ 250 ~ 350 ~

pipe 100 200 300 400

±4.8fittings

B½ ~

5 ~8 10 ~1214 ~

4 16

±3.2 ±4.8Tolerance

Elbows,

0.8 1.6 2.4 -

reducers,

tees

±0.5%

Elbows,1.6 3.2 4.8 6.4

tees

Remarks 1. For the tolerances on alignment of reducer and reduced tee, the tolerances

specified for larger diameter side shall apply.

2. For the galvanized part of white pipe fittings, the above-mentioned tolerance shall

be applicable before galvanizing.

NAVER CAFÉ 배관정복

Off angle (X)

Off plane (Y)

Nominal diameter

450 ~ 650 ~ 800 ~ 1100 ~

600 750 1050 1200

18 ~ 26 ~ 32 ~ 44 ~

24 30 42 48

Tolerance

3.2 4.8

9.5 12.7 19.1

1. For the tolerances on alignment of reducer and reduced tee, the tolerances

2. For the galvanized part of white pipe fittings, the above-mentioned tolerance shall

Dimensional Tolerances (DIN)

DIN 2605/2615/2616/2617/2609 EN10253-1

Limit Deviations for Outer Diameter Tolerance

Subject on

to agrement Circularity

Within the

(with a maximum of ±0.4mm specified

±0.5mm) tolerance

on diameter

>200 2%

Nominal Limit Deviations for Dimension

Size 45 Elbow 90 Elbow 180 Bend Cap Tee

DN b b h

15~65 ±6.0 ±2.5 ±8.0±4

±2.080~100 ±7.0 ±3.0 ±9.0

125~200 ±8.5 ±3.5 ±10.0

±7250 ±9.5 ±4.0

±14.0

±3.0300~450 ±12.0 ±5.0

500~600±14.5 ±6.0

±16.0

700

±10800±19.0 ±8.0 ±5.0

900~1200

Nominal Limit Deviations for Wall Thickness s

Size DN DIN

15~400-12.5% +15%

-0% +20%

s>4mm -12.5% +15%

450~600 Any

Not Specified700~1200

-0.35mm+15%

s>10mm -0.5mm

NAVER CAFÉ 배관정복

da in mm

±1% da

£ 100

100<da £200 ±1% da ±0.5% da

±1% da ±0.6% da

2b a and b

To Be Agreed

Thickness s

s£4mm

s£10mm

Tolerance

Q

1% of dimension

(with a maximum

of 1mm)

Limit Deviations for Dimension

Reducer

±2.5

±3.0

±3.5

±4.0

±5.0

±6.0

±8.0

EN10253-1

-0% +20%

-12.5% +15%

Not Specified

배관정복

l1